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We met and have become good friends since then.A.by mistakeB.by accidentC.by our

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We met and have become good friends since then.A.by mistakeB.by accidentC.by our

20.We met _____ and have become good friends since then.

A.by mistakeB.by accidentC.by ourselvesD.by the way

试题答案

B

解析